Monoecious plant of Chara shows occurrence of
antheridiophore and archengoniophore on the same point
stamen and carpel on the same plant
upper antheridium and lower oogonium on the same plant
upper antheridium and lower oogonium on the same plant
D.
upper antheridium and lower oogonium on the same plant
Monoecious or homothallic, a condition in Chara (green algae) is used to denote upper oogonium and lower antheridium on the same plant. The organisms, which possess both the reproductive organs are bisexual. Unisexual condition represents both male or female organs in the same organism.
Which one of the following matches is correct?
| Phytophthora | Aseptate mycelium | Basidiomycetes |
| Alternaria | Sexual reproduction | Deuteromycetes |
| Mucor | Reproduction by conjugation | Asocmycetes |
| Mucor | Reproduction by conjugation | Asocmycetes |
What will you look for to identify the sex of the following?
male frog - a copulatory pad on the first digit of the hind limb
Female cock - anal cerci
Male shark - claspers borne on pelvic fins
Male shark - claspers borne on pelvic fins
In vitro clonal propagation in plants is characterised by
PCR and RAPD
Northern blotting
Electrophoresis and HPLC
Electrophoresis and HPLC
Which is the most common mechanism of genetic variation in the population of sexually reproducing organism?
Transduction
Chromosomal aberrations
Genetic drift
Genetic drift
What is common between vegetative reproduction and apomixis?
Both are applicable to only dicot plants
Both bypass the flowering phase
Both occur round the year
Both occur round the year
Which of the following pairs is not correctly matched?
